CN105708546A - Laser scalpel pen - Google Patents

Abstract

The invention relates to a laser scalpel pen, comprising a power supply, an LCD display, an intelligent laser controller, a parallel laser transmitter, a self-focusing lens, an optical fiber, a coupler, and a laser knife pen; The focusing lens converges, enters the optical fiber through the optical fiber connector, and the two parallel optical fibers are coupled through the coupler to transmit the laser energy to the laser knife pen; the intelligent laser controller is used to adjust the power frequency of the laser transmitter, adjust the pulse width, and thus adjust the output laser According to the power density of the beam, the laser knife pen is equipped with a single laser or double laser selection mode, and the laser knife pen performs tissue vaporization and hemostasis or heating operations by adjusting the focal length.

Description

A laser scalpel pen

technical field

The invention relates to the field of medical operation tools, in particular to a laser scalpel pen.

Background technique

Traditional surgical cutting equipment (high-frequency electric knife) cuts tissue through high-frequency current, and there are unsafe factors when the current flows through the patient's body, and high-frequency equipment cannot be applied to patients with metal implants in the body. The principle of external emission thus affects other surgical instruments and there is a potential safety hazard. The laser scalpel achieves cutting and disinfection through high-temperature cutting. No current flows through the patient and will not affect other patients with metal implants in the body. Because the laser does not emit radio frequency, it will not interfere with other surgical instruments. The interview of laser scalpel will replace high-frequency electrosurgical equipment.

Laser is monochromatic light with certain penetrating power and precise focus; laser surgery uses a certain energy laser beam to irradiate biological tissue, and the instantaneous high temperature generated causes photocoagulation and photovaporization of the irradiated tissue. Laser surgery basically does not require hospitalization, the surgical incision is small, there is no bleeding during the operation, no secondary infection, and minimally invasive.

Operations of different natures require different laser action areas, power densities, and action times. The laser scalpel pen should be designed with a convenient power density adjustment function, and should also have a convenient focus adjustment.

Contents of the invention

The technical problem to be solved by the present invention is to provide a laser scalpel pen with power density adjustment function and focus adjustment function.

To achieve the above object, the present invention adopts the following technical solutions:

A laser scalpel pen, including power supply, LCD display, intelligent laser controller, parallel laser transmitter, self-focusing lens, optical fiber, coupler, laser knife pen; the laser beam output from the laser transmitter is converged through double self-focusing lenses , enter the optical fiber through the optical fiber connector, and the two parallel optical fibers are coupled through the coupler to transmit the laser energy to the laser knife pen; the intelligent laser controller is used to adjust the power frequency of the laser transmitter, adjust the pulse width, and thus adjust the power of the output laser beam Density, the laser knife pen is equipped with a single laser or double laser selection mode, and the laser knife pen performs tissue vaporization and hemostasis or heating operations by adjusting the focal length.

The intelligent laser controller includes a laser scalpel pen intelligent controller connected to a power supply module, an air-cooled control unit, a laser power regulation module, an LCD display, a keyboard and a USB data interface.

The laser knife pen includes a laser knife pen shell, a fixed lens fastening frame and a movable lens fastening frame are arranged in the laser knife pen shell, and a lens frame and an optical lens are arranged on the fixed lens fastening frame and the movable lens fastening frame, and the movable lens The lens fastening frame is positioned by the locking button, and the laser knife pen is provided with a single laser switch button and a double laser switch button.

The laser emitter includes a laser power supply, a drive power switch, and a laser resonant cavity. The laser resonant cavity is provided with an output lens, a coupling optical system, a solid-state laser pumping system and a total reflection lens.

Compared with prior art, the beneficial effect of the present invention is:

1) Parallel dual lasers, increase the capacity, adjust according to the needs of use.

2) The all-solid-state fiber laser has the advantages of excellent beam quality, high conversion efficiency, convenient thermal management, and compact structure.

3) The fiber laser scalpel pen is made by using the semiconductor laser of the manufacturing process of the fiber pump source, the output power is easy to adjust and the use is light.

4) The pluggable optical fiber connector of the laser and the laser conducting fiber can be conveniently equipped with different lengths of conducting fibers and different laser cutter heads for the operation, so that the replacement is convenient and the operation efficiency is improved.

5) The present invention adopts an intelligent control system, which can control the laser power supply and the laser pump source in real time, and can improve the adjustment ability of the laser output power and the quality of the laser output power.

6) The laser scalpel pen is equipped with a laser focus adjustment knob, which can facilitate the operation of tissue vaporization and hemostasis or heating.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Figure 2 is a schematic diagram of the composition of the intelligent laser controller.

Fig. 3 is a composition principle diagram of the present invention.

FIG. 4 is a structural schematic diagram 1 of the laser knife pen.

FIG. 5 is a structural schematic diagram 2 of the laser knife pen.

FIG. 6 is a structural schematic diagram 3 of the laser knife pen.

Fig. 7 is a state diagram of laser scalpel pen knife cutting.

Fig. 8 is a state diagram of the laser scalpel pen for hemostasis.

In the figure: 1-Intelligent laser controller 2-Laser transmitter 3-Power supply 4-LCD display 5-Laser pen 6-Shell 7-Coupler 8-Fiber optic connector 9-Self-focusing lens 10-Optical fiber 11-Power cord 12-air supply pipe 13-return air pipe

2.1-Laser power supply 2.2-Drive power switch 2.3-All reflection lens 2.4-Coupling optical system 2.5-Solid laser pumping system 2.6-Output lens 2.7-Optical path 2.8-Laser cavity

5.1-Laser pen housing 5.2-Fixed lens fastening frame 5.3-Lens frame I5.4-Optical lens I5.5-Locking button 5.6-Active lens fastening frame 5.7-Lens frame II5.8-Optical lens II5.9- Single laser switch button 2.10-Double laser switch button

detailed description

The specific embodiment of the present invention is further described below in conjunction with accompanying drawing:

As shown in Figure 1, a kind of laser scalpel pen comprises power supply 3, LCD display 4, intelligent laser controller 1, parallel laser emitter 2, self-focusing lens 9, optical fiber 10, coupler 7, laser knife pen 5; The laser beam output from the laser transmitter is converged by two self-focusing lenses 9, and enters the optical fiber 10 through the optical fiber connector 8, and the two parallel optical fibers 10 are coupled by the coupler 7 to transmit the laser energy to the laser knife pen 5.

As shown in Figure 2, the intelligent laser controller includes a laser scalpel pen intelligent controller, and the laser scalpel pen intelligent controller is connected to a power supply module, an air-cooled control unit, a laser power regulation module, an LCD display, a keyboard and a USB data interface;

As shown in Figure 3, the laser transmitter includes a laser power supply 2.1, a drive power switch 2.2, and a laser resonator 2.8. The laser resonator 2.8 is provided with an output lens 2.6, a coupling optical system 2.4, a solid-state laser pumping system 2.5 and a total reflection lens 2.3. The laser power adjustment module of the intelligent laser controller is used to adjust the laser power frequency and pulse width, thereby adjusting the power density of the output laser beam. The air-cooled control unit is used to cool the laser transmitter.

The laser beam output from the laser transmitter is converged by two self-focusing lenses 9, and enters the optical fiber 10 through the optical fiber connector 8, and the two optical fibers 10 are coupled by the coupler 7 to transmit the laser energy to the laser knife pen 5. Choose single laser or double laser mode according to the operation needs.

As shown in Figure 4-6, the laser knife pen includes a laser knife pen housing 5.1, which is provided with a fixed lens fastening frame 5.2 and a movable lens fastening frame 5.6, and the fixed lens fastening frame is provided with a lens frame I5.3 and optical Lens I5.4, the movable lens fastening frame 5.6 is provided with lens frame II5.7 and optical lens II5.8, the movable lens fastening frame 5.6 is positioned by the locking button 5.5, and the laser knife pen is provided with a single laser switch button 5.9 and Double laser switch button 5.10. The laser knife pen performs tissue vaporization and hemostasis or heating operation by adjusting the focal length.

As shown in Figure 7, when the movable lens fastening frame 5.6 is close to the fixed lens fastening frame 5.2, the laser knife pen is in a heated state and can perform cutting operations.

As shown in Fig. 8, when the movable lens fastening frame 5.6 is far away from the fixed lens fastening frame 5.2, the laser knife pen can perform hemostasis and tissue gasification operations.

The above is only the basic principle of the present invention, and does not limit the present invention in any way. All equivalent changes and modifications according to the present invention are within the scope of the technical protection scheme of this patent.

Claims (4)

1. a laser scalpel pen, is characterized in that, comprises power supply, LCD display, intelligent laser controller, parallel laser transmitter, self-focusing lens, optical fiber, coupler, laser knife pen; From the laser beam of laser transmitter output Converged by double self-focusing lenses, it enters the optical fiber through the optical fiber connector, and the two parallel optical fibers are coupled through the coupler to transmit the laser energy to the laser knife pen; the intelligent laser controller is used to adjust the power frequency of the laser transmitter and adjust the pulse width. Adjust the power density of the output laser beam. The laser knife pen is equipped with a single laser or double laser selection mode. The laser knife pen performs tissue vaporization and hemostasis or heating operations by adjusting the focal length. 2. a kind of laser scalpel pen according to claim 1, is characterized in that, described intelligent laser controller comprises laser scalpel pen intelligent controller, and laser scalpel pen intelligent controller connects power supply module, air-cooled control unit, Laser power adjustment module, LCD display, keyboard and USB data interface. 3. A kind of laser scalpel pen according to claim 1, it is characterized in that, described laser knife pen comprises laser knife pen shell, and laser knife pen shell is provided with fixed lens fastening frame and movable lens fastening frame, and fixed lens is tightly fastened. Both the fixed frame and the movable lens fastening frame are provided with a lens frame and an optical lens, the movable lens fastening frame is positioned by a locking button, and the laser knife pen is provided with a single laser switch button and a double laser switch button. 4. a kind of laser scalpel pen according to claim 1, is characterized in that, described laser emitter comprises laser power supply, driving power switch, laser resonant cavity, is provided with output lens, coupling optical system, Solid-state laser pumping system and total reflection lens.